l2cap_skbuff_fromiovec
err = l2cap_skbuff_fromiovec(chan, msg, len, count, skb);
err = l2cap_skbuff_fromiovec(chan, msg, len, count, skb);
err = l2cap_skbuff_fromiovec(chan, msg, len, count, skb);
err = l2cap_skbuff_fromiovec(chan, msg, len, count, skb);